Craze contains 'dendrobium extract,' an ingredient few had heard of before the product was launched as an energy booster in late 2011.

Written by

Alison Young
| USA Today

Retail giant Wal-Mart has stopped selling a popular sports dietary supplement on its website and a U.S. senator demanded tougher regulation in the wake of a USA Today investigation published last week.

Wal-Mart spokeswoman Dianna Gee said the company pulled Craze, a pre-workout powder, off its retail website Thursday after the investigation showed that the product's maker, Matt Cahill, has a history of putting risky supplements on the market.

"We did this to allow us time to look further into not only the safety of the product, but also the integrity of the supplier," Gee said, noting that ...